Hard cover product with concealed security device
US7557717B2 · kind B2 · utility
3Cited by
53References
33Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jun 12, 2007 |
| Grant date | Jul 7, 2009 |
| Priority date | — |
| Expiry date | Jun 12, 2027 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG08B13/2445
- WIPO fieldControl
- WIPO sectorInstruments
Abstract
A hard cover product with a pair of cover boards attached to an outer liner in spaced-relation to define a spine, with a thin-film security device positioned on a laydown area of one of the cover boards, and on inner liner. In one aspect, the one cover board is a laminate of a pair of opposing sheets for sandwiching the thin-film security device without a surface indication of the presence of the thin-film security device therein. In another aspect, the thin-film security device attached to a surface of the cover board is concealingly covered by the inner or the outer liner
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.